Accurate Determination for the Energy & Temperature Dependence of Electron Capture CrossSection of Si-SiO2 Interface States Using a New Method

被引:0
作者
陈开茅
武兰清
许慧英
刘鸿飞
机构
[1] Beijing Institute for Nonferrous Metals Beijing 100088 PRC)
[2] Department of Physics Peking University Beijing 100871 PRC
[3] Department of Physics Peking University Beijing 100871 PRC
关键词
the capacitance transient of the carrier filling; charge-potential feedback effect; Si-SiO2; interface; temperature and energy dependence of the capture cross-section of the interface states;
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摘要
A new technique for accurate determination of the electron and hole capture cross-sections of interface states at the insulator-semiconductor interface has been developed through measuring the initial time variation in the carrier filling capacitance transient, and full consideration is given to the charge-potential feedback effect on carrier capture process. A simplified calculation of the effect is also given. The interface states have been investigated with this technique at the Si-SiOinterface in an n-type Si MOS diode. The results show that the electron capture cross-section strongly depends on both temperature and energy.
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页码:1397 / 1408
页数:12
相关论文
共 2 条
  • [1] Johnson,N. M. Applied Physics Letters . 1979
  • [2] Schulz,M. Surface Science . 1983